Hearth and Home Technologies CFX-Crescent - Manual (Page 29)

Heat & Glo • CFX-CRESCENT • 705-900 Rev. P • 12/07 29
Step 7
Gas Pressure
Requirements
Pressure requirements for Heat & Glo gas fireplaces
are shown in the table below.
Pressure Natural Gas Propane
Minimum 5.0 inches 11.0 inches
Inlet Pressure w.c. w.c.
Maximum Inlet 14.0 inches 14.0 inches
Gas Pressure w.c. w.c.
Manifold 3.5 inches 10.0 inches
Pressure w.c. w.c.
A one-eighth (1/8) inch (3 mm) N.P.T. plugged tapping
is provided on the inlet and outlet side of the gas
control for a test gauge connection to measure the
manifold pressure.
The fireplace and its individual shut-off valve must
be disconnected from the gas supply piping system
during any pressure testing of the system at test
pressures in excess of one-half (1/2) psig (3.5 kPa).
The fireplace must be isolated from the gas supply
piping system by closing its individual shut-off valve
during any pressure testing of the gas supply piping
system at test pressures equal to or less than one-
half (1/2) psig (3.5 kPa).
Step 8
Wiring the
Fireplace
NOTE: Electrical wiring must be installed by a
licensed electrician.
CAUTION: DISCONNECT REMOTE CONTROLS
IF YOU ARE ABSENT FOR EXTENDED TIME
PERIODS. THIS WILL PREVENT ACCIDENTAL
FIREPLACE OPERATION.
Intermittent Pilot Ignition (IPI) Wiring
Appliance Requirements
This appliance requires that 110-120 VAC be wired
to the factory installed junction box. Maintain correct
polarity when wiring the junction box. A wall switch is
also required to operate the unit. See wiring diagram
for details.
!
WARNING: DO NOT CONNECT 110-120 VAC TO THE
GAS CONTROL VALVE OR THE APPLIANCE WILL
MALFUNCTION AND THE VALVE WILL BE DESTROYED.